UBUNTU-CVE-2020-27827

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Source
https://ubuntu.com/security/CVE-2020-27827
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27827.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27827
Upstream
Downstream
Related
Published
2021-01-13T00:00:00Z
Modified
2025-10-24T04:48:53Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

References

Affected packages

Ubuntu:16.04:LTS

openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.5.9-0ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.9-0ubuntu0.16.04.2

Affected versions

2.*

2.4.0-0ubuntu4
2.4.0-0ubuntu5
2.5.0~git20160129.46a88d9-0ubuntu1
2.5.0~git20160219.522aca6-0ubuntu1
2.5.0~git20160219.522aca6-0ubuntu2
2.5.0~git20160219.522aca6-0ubuntu3
2.5.0-0ubuntu1
2.5.2-0ubuntu0.16.04.1
2.5.2-0ubuntu0.16.04.2
2.5.2-0ubuntu0.16.04.3
2.5.4-0ubuntu0.16.04.1
2.5.5-0ubuntu0.16.04.1
2.5.5-0ubuntu0.16.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-ipsec"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.2",
            "binary_name": "python-openvswitch"
        }
    ]
}

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@0.7.19-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.7.16-1
0.7.19-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.7.19-1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "0.7.19-1",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:18.04:LTS

openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.9.7-0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.7-0ubuntu0.18.04.2

Affected versions

2.*

2.8.0-0ubuntu2
2.8.1-0ubuntu2
2.8.1-0ubuntu3
2.9.0~git20180205.5a39582ca-0ubuntu1
2.9.0-0ubuntu1
2.9.2-0ubuntu0.18.04.2
2.9.2-0ubuntu0.18.04.3
2.9.5-0ubuntu0.18.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "ovn-controller-vtep"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "python-openvswitch"
        },
        {
            "binary_version": "2.9.7-0ubuntu0.18.04.2",
            "binary_name": "python3-openvswitch"
        }
    ]
}

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@0.9.9-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.8-1
0.9.9-1
0.9.9-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.9-1ubuntu0.1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "0.9.9-1ubuntu0.1",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:20.04:LTS

openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.13.1-0ubuntu0.20.04.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.13.1-0ubuntu0.20.04.3

Affected versions

2.*

2.12.0-0ubuntu1
2.12.0-0ubuntu2
2.12.1~git20191107.7accd1302-0ubuntu1
2.12.90~git20200107.af683565b-0ubuntu1
2.12.90~git20200107.af683565b-0ubuntu2
2.12.90~git20200107.af683565b-0ubuntu3
2.13.0~git20200127.dbdf66c29-0ubuntu2
2.13.0~git20200212.15ae9db33-0ubuntu1
2.13.0~git20200212.15ae9db33-0ubuntu2
2.13.0-0ubuntu1
2.13.1-0ubuntu0.20.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-source"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.3",
            "binary_name": "python3-openvswitch"
        }
    ]
}

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.4-1build2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.4-1
1.0.4-1build1
1.0.4-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.4-1build2",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.4-1build2",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:22.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.13-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.11-1
1.0.12-1
1.0.13-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.13-1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.13-1",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:24.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.17-1
1.0.18-1
1.0.18-1build1
1.0.18-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:25.04

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build3?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.18-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "lldpd"
        }
    ]
}

Ubuntu:25.10

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build4?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.18-1build3
1.0.18-1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build4",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build4",
            "binary_name": "lldpd"
        }
    ]
}